The long-awaited sequel to the bestseller "The Season of Books and Keys" (Tosho Iin Series). Jiro Horikawa and Shimon Matsukura, members of the library committee at their high school, notice a pressed flower bookmark tucked inside a returned book in the library. The small, lovely flower turns out to be a highly poisonous monkshood. Seno, a girl in the same grade, approaches them, lying that the bookmark is hers. The three of them pursue the truth together. Softcover, first edition. ★Condition: Both the book and cover are in beautiful condition with no signs of use. With obi.